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What care should be taken while mixing acid with water?

Answer and explanation

Correct answer: Acid should be added slowly to water (अम्ल को धीरे-धीरे पानी में मिलाना चाहिए)

The governing concept is the exothermic nature of dilution. Mixing concentrated acid with water releases considerable heat. If water is poured quickly into a small quantity of acid, the water may heat suddenly, boil and throw corrosive acid droplets out of the container. Therefore the safe procedure is to add acid slowly to a larger volume of water while stirring and using protection, so option A is correct. The other choices are unsafe and violate laboratory practice.

Related tags

AcidsDilutionLaboratory SafetyExothermic ReactionWaterBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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